a seller has an increase of 40% in sale today compared to yesterday. The sale today amounts to 7,000. How much was the amount of sale yesterday

Let the amount of sale yesterday be denoted as \( x \). According to the problem, today’s sale is 40% more than yesterday’s sale, which means:

\[
\text{Today’s sale} = x + 0.40x = 1.40x
\]

It is also given that today’s sale amounts to 7,000. So, we can set up the equation:

\[
1.40x = 7000
\]

Now, solve for \( x \):

\[
x = \frac{7000}{1.40} = 5000
\]

Thus, the amount of sale yesterday was **5,000**.

Would you like further details or have any questions?

Here are 5 related questions:
1. What would the sale be tomorrow if there is another 40% increase?
2. If the sale decreased by 20% instead of increasing, how much would it have been today?
3. How much total sale would there be over two days with the given sales figures?
4. What is the percentage increase if tomorrow's sale is 8,000?
5. How can you calculate the original price if you only know the price after a percentage increase?

**Tip**: When working with percentages, multiplying by 1 plus the percentage (in decimal form) quickly gives the increased amount.

A seller has an increase of 40% in sales today compared to yesterday. The sale today amounts to 7,000. How much was the amount of sale yesterday?

Learn how to calculate yesterday's sales given a 40% increase in sales today, where today's sale amounts to 7,000. This problem involves basic percentage and algebraic concepts. Suitable for students in Grades 6-8.

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